Opening of Wonsan, October 1950 Republic of Korea minesweeper YMS-516 is blown up by a magnetic mine, during sweeping operations west of Kalma Pando, Wonsan harbor, on 18 October 1950.This ship was originally the U.S. Navy's YMS-148, which had served in the British Navy in 1943-46.
Causes of the Korean Tragedy ... Failure of Leadership, Intelligence and Preparation